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Details for Patent: 5,152,997

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Summary for Patent: 5,152,997

Title: Method and device for transdermally administering testosterone across nonscrotal skin at therapeutically effective levels
Abstract:Testosterone is administered transdermally through nonscrotal skin in a manner that mimics in amount and profile the natural production of testosterone in young adult healthy males. The testosterone is administered to the skin from a matrix which contains testosterone at subsaturation concentration and a permeation enhancer.
Inventor(s): Ebert; Charles D. (Salt Lake City, UT), Patel; Dinesh (Murray, UT), Heiber; Werner (Salt Lake City, UT)
Assignee: Theratech, Inc. (Salt Lake City, UT)
Application Number:07/652,127
Patent Claim Types:
see list of patent claims
Device; Composition; Use;

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International Patent Family for Patent: 5,152,997

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Spain2179820► subscribe
Canada2098195► subscribe
Germany69133123► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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